Home / 46,099.72-69,120.93-19,431.98

Finding the Fourth Proportional to 46,099.72, 69,120.93 and 19,431.98

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Solution

The fourth proportional to 46,099.72, 69,120.93 and 19,431.98 is: 29,135.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,099.72 : 69,120.93 = 19,431.98 : x
  2. Step 2: Convert to fraction form
    46,099.72/69,120.93 = 19,431.98/x
  3. Step 3: Cross multiply
    46,099.72x = 69,120.93 × 19,431.98
  4. Step 4: Simplify right side
    46,099.72x = 1,343,156,750.72
  5. Step 5: Solve for x
    x = 1,343,156,750.72/46,099.72
  6. Step 6: Final answer
    x = 29,135.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.